# Copyright (C) 2021 all contributors
# License: AGPL-3.0+
# front-end for the "lei import" sub-command
package PublicInbox::LeiImport;
use strict;
use v5.10.1;
use parent qw(PublicInbox::IPC PublicInbox::LeiInput);
# /^input_/ subs are used by (or override) PublicInbox::LeiInput superclass
sub input_eml_cb { # used by PublicInbox::LeiInput::input_fh
my ($self, $eml, $vmd) = @_;
my $xoids = $self->{lei}->{ale}->xoids_for($eml);
if (my $all_vmd = $self->{all_vmd}) {
@$vmd{keys %$all_vmd} = values %$all_vmd;
}
$self->{lei}->{sto}->ipc_do('set_eml', $eml, $vmd, $xoids);
}
sub input_mbox_cb { # MboxReader callback
my ($eml, $self) = @_;
my $vmd;
if ($self->{-import_kw}) {
my $kw = PublicInbox::MboxReader::mbox_keywords($eml);
$vmd = { kw => $kw } if scalar(@$kw);
}
input_eml_cb($self, $eml, $vmd);
}
sub input_maildir_cb { # maildir_each_eml cb
my ($f, $kw, $eml, $self) = @_;
my $vmd = $self->{-import_kw} ? { kw => $kw } : undef;
if ($self->{-mail_sync}) {
if ($f =~ m!\A(.+?)/(?:new|cur)/([^/]+)\z!) { # ugh...
$vmd->{sync_info} = [ "maildir:$1", \(my $n = $2) ];
} else {
warn "E: $f was not from a Maildir?\n";
}
}
$self->input_eml_cb($eml, $vmd);
}
sub input_net_cb { # imap_each / nntp_each
my ($uri, $uid, $kw, $eml, $self) = @_;
if (defined $eml) {
my $vmd = $self->{-import_kw} ? { kw => $kw } : undef;
$vmd->{sync_info} = [ $$uri, $uid ] if $self->{-mail_sync};
$self->input_eml_cb($eml, $vmd);
} elsif (my $ikw = $self->{lei}->{ikw}) { # old message, kw only
# we send $uri as a bare SCALAR and not a URIimap ref to
# reduce socket traffic:
$ikw->wq_io_do('ck_update_kw', [], $$uri, $uid, $kw);
}
}
sub do_import_index ($$@) {
my ($self, $lei, @inputs) = @_;
my $sto = $lei->_lei_store(1);
$sto->write_prepare($lei);
$self->{-import_kw} = $lei->{opt}->{kw} // 1;
my $vmd_mod = $self->vmd_mod_extract(\@inputs);
return $lei->fail(join("\n", @{$vmd_mod->{err}})) if $vmd_mod->{err};
$self->{all_vmd} = $vmd_mod if scalar keys %$vmd_mod;
$self->prepare_inputs($lei, \@inputs) or return;
$self->{-mail_sync} = $lei->{opt}->{'mail-sync'} // 1;
$lei->ale; # initialize for workers to read
my $j = $lei->{opt}->{jobs} // scalar(@{$self->{inputs}}) || 1;
my $ikw;
if (my $net = $lei->{net}) {
# $j = $net->net_concurrency($j); TODO
if ($lei->{opt}->{incremental} // 1) {
$net->{incremental} = 1;
$net->{-lms_ro} = $sto->search->lms // 0;
if ($self->{-import_kw} && $net->{-lms_ro} &&
$net->{imap_order}) {
require PublicInbox::LeiImportKw;
$ikw = PublicInbox::LeiImportKw->new($lei);
$net->{each_old} = 1;
}
}
} else {
my $nproc = $self->detect_nproc;
$j = $nproc if $j > $nproc;
}
my $ops = {};
$lei->{auth}->op_merge($ops, $self) if $lei->{auth};
$self->{-wq_nr_workers} = $j // 1; # locked
$lei->{-eml_noisy} = 1;
(my $op_c, $ops) = $lei->workers_start($self, $j, $ops);
$lei->{wq1} = $self;
$lei->{-err_type} = 'non-fatal';
$ikw->wq_close(1) if $ikw;
net_merge_all_done($self) unless $lei->{auth};
$op_c->op_wait_event($ops);
}
sub lei_import { # the main "lei import" method
my ($lei, @inputs) = @_;
my $self = bless {}, __PACKAGE__;
do_import_index($self, $lei, @inputs);
}
sub _complete_import {
my ($lei, @argv) = @_;
my $sto = $lei->_lei_store or return;
my $lms = $sto->search->lms or return;
my $match_cb = $lei->complete_url_prepare(\@argv);
map { $match_cb->($_) } $lms->folders;
}
no warnings 'once';
*ipc_atfork_child = \&PublicInbox::LeiInput::input_only_atfork_child;
*net_merge_all_done = \&PublicInbox::LeiInput::input_only_net_merge_all_done;
# the following works even when LeiAuth is lazy-loaded
*net_merge_all = \&PublicInbox::LeiAuth::net_merge_all;
1;